Numbers 3:4

New American Bible - revised edition

But Nadab and Abihu died in the presence of the Lord when they offered unauthorized fire before the Lord in the wilderness of Sinai; and they left no sons. So only Eleazar and Ithamar served as priests during the lifetime of their father Aaron. Levites in Place of the Firstborn.

Cross References

1 Chronicles 24:1

There were also divisions for the sons of Aaron. The sons of Aaron were Nadab, Abihu, Eleazar, and Ithamar.

Numbers 16:35

And fire from the Lord came forth which consumed the two hundred and fifty men who were offering the incense.

Numbers 19:3

You will give it to Eleazar the priest, and it will be led outside the camp and slaughtered in his presence.

Numbers 20:25

Take Aaron and Eleazar his son and bring them up on Mount Hor.

Numbers 26:61

But Nadab and Abihu died when they offered unauthorized fire before the Lord.

Numbers 3:5

Now the Lord said to Moses: